Ñeembucú(Guaraní: Ñe'ẽmbuku) is a depairtment locatit in the sooth o the Eastren Region o Paraguay. The caipital is Pilar. The department is almaist entirely rural, an is home tae some o the auldest an best-preserved Jesuitruins, which ar locatit near the toun o Humaitá.